

.ss
{
    background: url("/images/bg.jpg");
    width: 100%;
    height: 50px;
    margin: 0 auto;
    padding: 0px;
    position: absolute;
    top: 0px;
}

.ss ul
{
    list-style: none;
    margin: 0px;
    padding: 0px;

    position: relative;
    left: 300px
}

.ss ul li
{
    float: left;
    margin-top: 5px;
}

.ss ul li a{
    display:block;
    width:250px;
    heigh:28px;
    padding-left:20px;
    font-size:25px;
    line-height:28px;
    color:#333;

    text-decoration: none; /*取消子菜单项超链接默认的下划线*/
}